The NIBCO PC611 is a 1-1/2-inch copper press tee featuring innovative leak detection technology for reliable plumbing system installations. Made from dezincification-resistant lead-free copper, this fitting operates from -20F to 250F with a 200 PSI working pressure. Its superior leak detection design allows for dry-fit assembly and easy identification of unpressed connections during pressure testing. Perfect for professional plumbers and contractors using press systems for residential and commercial plumbing, offering fast, secure connections without flame hazards.